trac 6742 - unit test showing working phoenix combined with the transformed adaptor.

test/Jamfile.v2

@@ -44,6 +44,7 @@ test-suite range :
     [ range-test adaptor_test/sliced ]
     [ range-test adaptor_test/strided ]
     [ range-test adaptor_test/strided2 ]
+    [ range-test adaptor_test/ticket_6742_transformed_c4789_warning ]
     [ range-test adaptor_test/ticket_8676_sliced_transformed ]
     [ range-test adaptor_test/ticket_9519_strided_reversed ]
     [ range-test adaptor_test/tokenized ]

test/adaptor_test/ticket_6742_transformed_c4789_warning.cpp

@@ -0,0 +1,69 @@
+// Boost.Range library
+//
+//  Copyright Neil Groves 2014. Use, modification and
+//  distribution is subject to the Boost Software License, Version
+//  1.0. (See accompanying file LICENSE_1_0.txt or copy at
+//  http://www.boost.org/LICENSE_1_0.txt)
+//
+//
+// For more information, see http://www.boost.org/libs/range/
+//
+#include <boost/phoenix/core.hpp>
+#include <boost/phoenix/operator.hpp>
+#include <boost/range/adaptor/transformed.hpp>
+#include <boost/range/algorithm_ext/push_back.hpp>
+#include <boost/test/test_tools.hpp>
+#include <boost/test/unit_test.hpp>
+#include <iterator>
+#include <iostream>
+#include <vector>
+
+namespace
+{
+    struct test_struct
+    {
+        double x;
+        double y;
+    };
+
+    struct get_x
+    {
+        typedef double result_type;
+        double operator()(const test_struct& s) const
+        {
+            return s.x;
+        }
+    };
+
+    void range_transformed_warning()
+    {
+        using namespace boost::phoenix::arg_names;
+        using namespace boost::adaptors;
+
+        test_struct t;
+        t.x = 2.0;
+        t.y = -4.0;
+        std::vector<test_struct> v(10u, t);
+
+        std::vector<double> output1;
+        boost::push_back(output1, v | transformed((&arg1)->*& test_struct::x));
+
+        std::vector<double> output2;
+        boost::push_back(output2, v | transformed(get_x()));
+
+        BOOST_CHECK_EQUAL_COLLECTIONS(
+                    output1.begin(), output1.end(),
+                    output2.begin(), output2.end());
+    }
+} // anonymous namespace
+
+boost::unit_test::test_suite*
+init_unit_test_suite(int argc, char* argv[])
+{
+    boost::unit_test::test_suite* test
+        = BOOST_TEST_SUITE( "Range adaptors - transformed warning" );
+
+    test->add(BOOST_TEST_CASE(&range_transformed_warning));
+
+    return test;
+}